THEME I: Community, forest and wildlife ecology
Agnihotri, S., Sundeep, P.V.D.S., Seelamantula, C.S. and Balakrishnan, R. (2014). Quantifying vocal mimicry in the Greater Racket-Tailed Drongo: A comparison of automated methods and human assessment. PLoS One, 9(3): e89540. https://doi.org/10.1371/journal.pone.0089540
Balakrishnan, R., Bahuleyan, J., Nandi, D. and Jain, M. (2014). Modelling the effects of chorus species composition and caller density on acoustic masking interference in multispecies choruses of crickets and katydids. Ecological Informatics, 21, 50-58. https://doi.org/10.1016/j.ecoinf.2013.11.006
Barber, P.H., Ablan-Lagman, M.C.A., Berlinck, R.G., Cahyani, D., Crandall, E.D…Shanker, K. ... and Willette, D.A. (2014). Advancing biodiversity research in developing countries: the need for a new paradigm. Bulletin of Marine Sciences, 90, 187-210. http://dx.doi.org/10.5343/bms.2012.1108
Bowen, B.W., Shanker, K., Yasuda, N., Celia, M…. and Toonen, R.J. (2014). Phylogeography unplugged: Comparative geographic surveys in the genomic era. Bulletin of Marine Sciences, 90, 13-46. DOI:https://doi.org/10.5343/bms.2013.1007
Deb, R. and Balakrishnan, R. (2014). The opportunity for sampling: The ecological context of female mate choice. Behavioral Ecology, 25, 967-974.
Guttal, V. (2014). Ecology: From individuals to collectives. A physicist’s perspective on ecology. Resonance,19, 368-375.
Jain, M., Diwakar, S., Bahuleyan, J., Deb, R. and Balakrishnan, R. (2014). A rain forest dusk chorus: Cacophony or sounds of silence? Evolutionary Ecology, 28, 1-22.
Kéfi, S., Guttal, V., Brock, W.A., Carpenter, S.R., Ellison, A.M., Livina, V.N., et al. (2014). Early Warning Signals of Ecological Transitions: Methods for Spatial Patterns. PLoS ONE 9(3): e92097. doi:10.1371/journal.pone.0092097.
Mondal, N. and Sukumar, R. (2014). Fire and soil temperatures during controlled burns in seasonally dry tropical forest of southern India. Current Science, 107, 1590-1594.
Mondal, N. and Sukumar, R. (2014). Characterising weather patterns associated with fire events in a seasonally dry tropical forest in southern India. International Journal of Wildland Fire, 23, 196-201. DOI: 10.1071/WF13002.
Mukherjee, N., Shanker, K., Koedam, N. and Dahdouh-Guebas, F. (2014). An interdisciplinary framework to evaluate bioshield plantations: Insights from peninsular. Acta Oecologica, 1-10. https://doi.org/10.1016/j.actao.2014.01.005
Puri, M., Namboothri, N. and Shanker, K. (2014). Multi-scale patterns in co-occurrence of rocky inter-tidal gastropods along the west coast of India. Oikos, 123, 345-355. DOI: 10.1111/j.1600-0706.2013.00477.x
Raghuram, H., Jain, M. and Balakrishnan, R. (2014). Species and acoustic diversity of bats in a palaeotropical wet evergreen forest in Southern India. Current Science, 107, 631-641.
Ramachandra, T. V., Joshi N. V., Rao, G. R., Dhanpal, G., Gururaja, K.V., and Yadav, A.S. (2014). Ecological status of three micro watersheds in Western Himalaya. Indian Forester, 140(4):331-347 (special Issue on Himalayan Ecology and Biodiversity). http://ojms.cloudapp.net/index.php/indianforester/issue/view/4162.
Ramaswami, G. and Sukumar, R. (2014). Lantana camara L. (Verbenaceae) invasion along streams in a heterogeneous landscape. Journal of Biosciences, 39, 717–726.
Ramaswami, G., Prasad, S., Westcott, D., Subuddhi, S.P. and Sukumar, R. (2014). Addressing the management of a long-established invasive shrub: the case of Lantana camara in Indian forests. Indian Forester, 140, 129-136.
Réjou-Méchain, M. et al including Sukumar, R. (2014). Local spatial structure of forest biomass and its consequences for remote sensing of carbon stocks. Biogeosciences, 11, 6827-6840.
Shanker, K. (2014). Guest Editorial: Inverting the pyramid of scientific hierarchy. Current Science, 106, 139-140.
Shanker, K. (2014). Warm turtle in cold waters: the leatherback’s journey. In: Nature Chronicles of India: Essays on Wildlife (edited by Ananda Bannerjee). Rupa Publications, New Delhi. India.
Sridhar, H. and Shanker, K. (2014). Importance of intraspecifically gregarious species in a tropical bird community. Oecologia, 176(3), 763-770.
Sridhar, H. and Shanker, K. (2014). Using intra-flock association patterns to understand why birds participate in mixed species foraging flocks in terrestrial habitats. Behavioural Ecology and Sociobiology, 68, 185-196.
Suresh, H.S., Bhat, D.M., Ravindranath, N.H., Nijavalli, and Sukumar, R. (2014). Divesity, structure and dynamics of a mangrove forest:a case study. Notulae Scientia Biologicae, 6, 300-307. DOI:10.15835/nsb.6.3.9339.
Vijayakumar, S.P., Dinesh, K.P., Prabhu, M.V. and Shanker, K. (2014). Lineage delimitation and description of nine new species of bush frogs (Anura: Raorchestes, Rhacophoridae) from the Western Ghats Escarpment. Zootaxa, 3893 (4), 451-488. DOI: 10.11646/zootaxa.3893.4.1
THEME II: Animal behaviour and evolution
Agarwal, I., Bauer, M.A., Jackman, R.T. and Karanth, P. (2014). Cryptic species and Miocene diversification of Palaearctic naked-toed geckos (Squamata: Gekkonidae) in the Indian dry zone. Zoologica Scripta, 43(5), 455-471. DOI: 10.1111/zsc.12062
Agarwal, I., Bauer, M.A., Jackman, R.T. and Karanth, P. (2014). Insights into Himalayan biogeography from geckos: A molecular phylogeny of Cyrtodactylus (Squamata: Gekkonidae). Molecular Phylogenetics and Evolution, 80,145-155. DOI: 10.1016/j.ympev.2014.07.018.
Borges, R. M. and Kjellberg, F. (2014). New insights from the fig–fig wasp model interaction system. Acta Oecologica, 57, 3–4. DOI: 10.1016/j.actao.2014.01.002
Borges, R.M. (2014). Just Babies: The Origins of Good and Evil. Paul Bloom, Crown Publishers, New York. Current Science, 107, 306-307.
Borges, R.M. and Rao, M.K. (2014). The biology of giant squirrels: A census manual. Maharashtra Forest Department. In Marathi (translated from English). English edition expected soon
Chanam, J., Kasinathan, S., Pramanik, G.K., Jagdeesh, A.., Joshi, K.A., and Borges, R.M. (2014). Foliar extrafloral nectar of Humboldtia brunonis (Fabaceae), a paleotropical ant-plant, is richer than phloem sap and more attractive than honeydew. Biotropica, 47(1). https://doi.org/10.1111/btp.12185
Chanam, J., Kasinathan, S., Pramanik, G.K., Jagdeesh, A., Joshi, K.A. and Borges, R.M. (2014). Context dependency of rewards and services in an Indian ant–plant interaction: southern sites favour the mutualism between plants and ants. Journal of Tropical Ecology, 30, 219–229. doi:10.1017/S026646741400011X
Chanam, J., Sheshshayee, M. S., Kasinathan, S., Jagdeesh, A., Joshi, K. A., and Borges, R. M. (2014). Nutritional benefits from domatia inhabitants in an ant–plant interaction: interlopers do pay the rent. Functional Ecology, 28, 1107-1116. https://doi.org/10.1111/1365-2435.12251
Datta-Roy, A., Singh, M. and Karanth, P. (2014). Phylogeny of endemic skinks of the genus Lygosoma (Squamata: Scincidae) from India suggests an in situ radiation. Journal of Genetics, 93(1), 163-167.
Gadagkar, R. (2014). A Review of – Randomness in Evolution by J.T.Bonner, Princeton University Press, Princeton, New Jersey, 2013. Current Science, 106, 9, 1312-1313.
Ghara, M., Ranganathan, Y., Krishnan, A., Gowda, V. and Borges, R. M. (2014). Divvying up an incubator: How parasitic and mutualistic fig wasps use space within their nursery microcosm. Arthropod–Plant Interactions, 8, 191–203. doi: 10.1007/s11829-014-9300-9
Krishnan, A. and Borges, R.M. (2014). Parasites exert conflicting selection pressures to affect reproductive asynchrony of their host plant in an obligate pollination mutualism. Journal of Ecology, 102, 1329-1340. https://doi.org/10.1111/1365-2745.12277
Krishnan, A., Joshi, K.A., Abraham, A., Ayyub, S., Lahiry, M., Mukherjee, R., Javadekar, S.M., Narayan, V., and Borges, R.M. (2014). Finding hidden females in a crowd: mate recognition in fig wasps. Acta Oecologica , 57, 80-87 [Special Issue on Fig–Wasp Interactions resulting from the VIII International Fig Symposium held at University of Sao Paulo, Ribeirao Preto, Brazil, 2012] https://doi.org/10.1016/j.actao.2013.03.015
Krishnan, A., Pramanik, G.K., Revadi, S.V., Venkateswaran, V. and Borges, R.M. (2014). High temperatures result in smaller nurseries which lower reproduction of pollinators and parasites in a brood site pollination mutualism. Plos One, DOI:10.1371/journal.pone.0115118.
Mitra, A. (2014). Queen Pheromone and Monopoly of Reproduction by the Queen in the Social Wasp Ropalidiamarginata. Proc. Indian Natn. Sci. Acad., 80, 1025-1044. DOI:10.16943/ptinsa/2014/v80i5/47971
Mitra, A. and Gadagkar, R. (2014). The Dufour’s gland and cuticle in the social wasp Ropalidiamarginata contain the same hydrocarbons in similar proportions. Journal of Insect Science, 14 (9).http://www.insectscience.org/14.9.
Mitra, A., Ramachandran, A. and Gadagkar, R. (2014). Nestmate discrimination in the social wasp Ropalidiamarginata: chemical cues and chemosensory mechanisms. Animal Behaviour, 88, 113-124. https://doi.org/10.1016/j.anbehav.2013.11.017
Nag, C.K.S., Karanth, P. and Vasudeva, G.K. (2014). Delineating Ecological Boundaries of Hanuman Langur Species Complex in Peninsular India Using MaxEnt Modeling Approach. PLOS ONE, 9(2):e87804. DOI: 10.1371/journal.pone.0087804.
Nandi, A. K., Sumana, A. and Bhattacharya, K. (2014). Social insect colony as a biological regulatory system: modelling information flow in dominance networks. Journal of The Royal Society Interface, 11, 0951. doi:org/10.1098/rsif.2014.0951.
Naniwadekar, R., Mishra, C., Isvaran, K., Madhusudan, M.D. and Datta, A. (2014). Looking beyond parks: conservation value of ‘unprotected areas’ for hornbills in Arunachal Pradesh, Eastern Himalaya. Oryx, 49, 303-311.doi:10.1017/S0030605313000781, 1-9
Shukla,S., Pareek,V. and Gadagkar, R. (2014). Ovarian development in a primitively eusocial wasp: Social interactions affect behaviourally dominant and subordinate wasps in opposite directions relative to solitary females. Behavioural Processes, 106, 22-26. DOI:10.1016/j.beproc.2014.04.003
Vanak, A. T., Karanth, K. K., Hedges, S., Minin, E. Di, Slotow, R., Thaker, M., Shanker, K., Rai, N., Tyson, M. J., Krishnaswamy, J., Ramakrishanan, U. and Karanth, K. U. (2014). Potholes in the global roadmap – Response to Laurance et al. Nature online commentary. http://www.nature.com/nature/journal/v513/n7517/full/nature13717.html#co..., 513, 7517.
THEME III: Human and Landscape Ecology
Ahalya, N., Chandraprabha, M.N., Kanamadi, R.D. and Ramachandra, T.V. (2014). Adsorption of fast green on to coffee husk. Journal of Chemical Engineering and Research, 2, 201-207.
Balachandran, C., Subash Chandran, M.D. and Ramachandra, T.V. (2014). Keystone food resources for honeybees in South Indian west coast during monsoon. Current Science, 106, 1379-1386.
Bhat, D.M. and Hegde, G.T. (2014). Fence types, fencing practices and better management options in hilly region of Uttara Kannada District,Western Ghats, India. Life Sciences Leaflets, 57, 34-48.
Bhat, M. Nayak, V. N., Subash Chandran, M.D. and Ramachandra, T.V. (2014).I Impact of hydroelectric projects on finfish diversity in the Sharavathi River estuary of Uttara Kannada District, central west coast of India. International Journal of Environmental Sciences, 5, 58-66.
Bhat, M., Nayak, V. N., Subash Chandran, M. D. and Ramachandra, T.V. (2014). Fish distribution dynamics in the Aghanashini estuary of Uttara Kannada, west coast of India. Current Science, 106, 1739-1744.
Boominathan, M., Ravikumar, G., Subash Chandran, M.D. and Ramachandra T.V. (2014). Impact of Hydroelectric Projects on Bivalve Clams in the Sharavathi, Estuary of Indian West Coast. The Open Ecology Journal, 7, 52-58.
Boominathan, M., Ravikumar, G., Subash Chandran, M.D and Ramachandra T.V. (2014). Impact of Hydroelectric Projects on Commercial Bivalves in a South Indian West Coast Estuary. J Biodiversity, 5(1,2), 1-9. DOI: 10.1080/09766901.2014.11884747
Chetan Nag, K. Praveen Karanth, Gururaja Kotambylu Vasudeva (2014) Delineating ecological boundaries of Hanuman langur species complex in Peninsular India using MaxEnt modeling approach. PLoS ONE, 9 (2): e87804, doi:10.1371/journal.pone.0087804.
Chisholm, R.A. et al including Sukumar, R. (2014). Temporal variability of forest communities: empirical estimates of population change in 4000 tree species. Ecology Letters, 17, 855–865. DOI: 10.1111/ele.12296
Dudani, S., Mahesh, M.K., Subash Chandran, M. D. and Ramachandra, T.V. (2014). Cyathea nilgirensis Holttum (Cyatheaceae: Pteridophyta): a threatened tree fern from central Western Ghats, India. Journal of Threatened Taxa, 6, 5413-5416. DOI: 10.11609/JoTT.o3343.3413-5413-6
Dudani, S.N., Mahesh, M.K., Subash Chandran, M.D. and Ramachandra, T.V. (2014). Pteridophyte diversity in wet evergreen forests of Sakleshpur in central Western Ghats. Indian Journal of Plant Sciences, 3, 28-39.
Ishan Agarwal, Aaron M. Bauer, Todd R. Jackman and K. Praveen Karanth (2014). Insights into Himalayan biogeography from geckos: A molecular phylogeny of Cyrtodactylus (Squamata: Gekkonidae). Molecular Phylogenetics and Evolution, 80: 145–155, doi:10.1016/j.ympev.2014.07.018.
Mahapatra, D.M., Chankya, H.N. and Ramachandra, T.V. (2014). Bioremediation and lipid synthesis through mixotrophic algal consortia in municipal wastewater. Bioresource Technology, 162, 142-150. https://doi.org/10.1016/j.biortech.2014.03.130
Mesta, P.N., Setturu, B., Subash Chandran, M.D., Rajan, K.S., Ramachandra, T.V. (2014). Inventorying, Mapping and Monitoring of Mangroves towards Sustainable Management of West Coast, India. J Geophys Remote Sensing 3, 130. doi:10.4172/2169-0049.1000130
Ramachandra T.V. (2014). Hydrological Responses at Regional Scale to Landscape Dynamics. J. Biodiversity, 5(1,2), 11-32. DOI: 10.1080/09766901.2014.11884748
Ramachandra, T.V., Aithal, B.H. and Sowmyashree, M.V. (2014). Urban structure in Kolkata: metrics and modelling through geo-informatics. Applied Geomatics, 6, 24-41.
Ramachandra T.V. and Hegde, G. (2014). Scope for distributed renewable energy systems in South India. IEEE-GHTC-SAS 2014, Trivandrum, KERALA, India, 28-33. DOI: 10.1109/GHTC-SAS.2014.6967557
Ramachandra, T.V. (2014). Environmental impact assessment, In: Projects: Planning, Analsyis, Selection, Financing, Implementation and Review (Ed: Prasanna Chandra), CFM-MHE Professional series in Finance (8th edition), Appendix C1-C10.
Ramachandra, T.V., Asulabha, K.S., Aithal, B.H., Settur, B., Mahapatra, D.M., Kulkarni, G., Bhat, H.R., Varghese, S., Bhat, S.P. and Vinay, S. (2014). Environment monitoring in the neighbourhood, ENVIS Technical Report 77, Environmental Information System, CES, Indian Institute of Science, Bangalore 560012, 146.
Ramachandra, T.V., Asulabha, K.S., and Lone, A.A. (2014). Nutrient Enrichment and Proliferation of Invasive Macrophytes in Urban Lakes, J Biodiversity, 5(1,2), 33-44.
Ramachandra, T.V., Mahapatra, D.M., Bhat, S.P., Asulabha, K.S., Varghese, S. and Aithal, B.H. (2014). Integrated wetlands ecosystem: Sustainable model to mitigate water crisis in Bangalore, ENVIS Technical Report 76, Environmental Information System, CES, Indian Institute of Science, Bangalore 560012, 65.
Ramachandra, T.V., Sreejith, K. and Bharath, H.A. (2014). Sector-wise assessment of carbon footprint across major cities in India, In: Assessment of Carbon Footprint in Different Industrial Sectors, Volume 2, Muthu S. S. (ed.), Eco-Production, Springer Science+Business Media Singapore, 2-24.
Ramachandra, T.V., Subash Chandran, M. D., Joshi, N.V., Karthick, B. and Mukri, V.D. (2014). Ecohydrology of Lotic Systems in Uttara Kannada, Central Western Ghats, India, In: Environmental Management of River Basin Ecosystems, Springer Earth System Sciences, Mu Ramkumar et al. (eds.), DOI 10.1007/978-3-319-13425-3_29, 621-665.
Ramachandra T.V., Subash Chandran, M.D., Bhat, S.P., Rao, G.R., Balachandran, C., Kulkarni, G. Mukri, V. and Naik, S. (2014). Status of forest in Chikmagalur district, Karnataka, ENVIS Technical Report 78, Sahyadri Conservation Series 42, Environmental Information System, CES, Indian Institute of Science, Bangalore 560012, 355.
Ramachandra, T.V., Nagar, N., Vinay, S. and Aithal, B.H. (2014). Modeling Hydrologic regime of Lakshmanatirtha watershed, Cauvery River, IEEE-GHTC-SAS 2014, Trivandrum, KERALA, India, 12-18.
Ramachandra, T.V. and Hegde, G. (2014). Energy latitude in Western Ghats through decentralized renewable energy resources, In: Synergy with Energy, Published by SAKET Projects, Mumbai, 57-67.
Ramachandra, T.V. and Hegde, G. (2014). Solar Energy: Karnataka’s sustainable energy option. Vigyan Loka (Published in Kannada), 7, 4-16.
Ramachandra, T.V. and Hegde, G. (2014). Solar Energy: Sustainable energy option. AEE-Energy Window. 11, 3-5.
Ramachandra, T.V., Aithal, B.H. and Sowmyashree, M.V. (2014). Monitoring urbanization and its implications in a mega city from space: Spatiotemporal patterns and its indicators. Journal of Environmental Management, 148, 68-81.
Ramachandra, T.V. and Aithal, B.H. (2014). Geo-visualisation of urbanisation in Greater Bangalore, India, Geospatial Digest, 12, 12-18.
Ramachandra, T.V., Aithal, B.H. and Barik, B. (2014). Urbanisation pattern of incipient mega region in India. TEMA - Journal of Land Use, Mobility and Environment, 7, 83-100. DOI: 10.6092/1970-9870%2F2202
Ramachandra, T.V., Aithal, B.H., Vinay, S., Rao, G.R., Kulkarni, G., Tara, N.M. and Nupur, N. (2014). Trees of Bengaluru, ENVIS Technical Report 75, ENVIS, Centre for Ecological Sciences, IISc, Bangalore 560012, 75.
Ramachandra, T.V., Bharath S. and Aithal, B.H. (2014). Spatio-temporal dynamics along the terrain gradient of diverse landscape, Journal of Environmental Engineering and Landscape Management, 22, 50-63. https://doi.org/10.3846/16486897.2013.808639
Ramachandra, T.V., Bharath, H.A. and Sowmyashree, M.V. (2014). Urban footprint of Mumbai - the commercial capital of India. Journal of Urban and Regional Analysis, VI, 71-94.
Ramachandra, T.V., Bhat, H.R. and Kulkarni, G. (2014). Tree species for planting at the sides and median of the roads in Bengaluru, ENVIS Technical Report 79, ENVIS, Centre for Ecological Sciences, IISc, Bangalore 560012, 42.
Ramachandra, T.V., Hegde, G. and Krishnadas, G. (2014). Scope of solar energy in Uttara Kannada, Karnataka State, India: Roof top PV for domestic electricity and Standalone systems for irrigation. Productivity, 55, 100-119.
Ramachandra, T.V., Hegde, G. and Krishnadas, G. (2014). Potential assessment and decentralized applications of wind energy in Uttara Kannada, Karnataka. International Journal of Renewable Energy Research, 4, 1-10.
Ramachandra, T.V., Hegde, G., Setturu, B. and Krishnadas, G. (2014). Bioenergy: A sustainable energy option for rural India. Advances in Forestry Letters, 3, 1-15.
Ramachandra, T.V., Shwetmala, K., and Dania, T.M. (2014). Carbon footprint of solid waste sector in Greater Bangalore, India, In: Assessment of Carbon Footprint in Different Industrial Sectors (ed. S.S. Muthu), Volume 1, EcoProduction, Springer Science, Singapore, 265-292.
Ramachandra, T.V., Subash Chandran, M.D. and Joshi, N.V. (2014). Integrated ecological carrying capacity of Uttara Kannada district, Karnataka. Sahyadri Conservation Series 41, ENVIS Technical Report 71, CES, IISc, 540.
Ramachandra, T.V., Subash Chandran, M.D., Joshi, N.V., Vinay S., Aithal, B.H., Hegde, G. and Kulkarni, G. (2014). Water bodies of Uttara Kannada, Sahyadri Conservation Series 44, ENVIS Technical Report 81, CES, IISc, 1-105.
Rao, G.R., Krishnakumar, G., Dudani, S.N., Subhash Chandran, M.D., Ramachandra, T.V. (2014). Diversity and regeneration aspects of medicinal plants at Devimane, Uttara Kannada District, Karnataka, Central Western Ghats. Journal of Biodiversity Management and Forestry, 3, 23-31.
Ray, R., Subash Chandran, M. D. and Ramachandra, T.V. (2014). Hydrological importance of sacred forest fragments in Central Western Ghats of India. Tropical Ecology, 56, 87-99.
Ray, R., Subash Chandran, M.D. and Ramachandra, T.V. (2014). Socio-cultural protection of endemic trees in humanised landscape. Biodiversity Conservation, 24, 32-39.
Ray, R., Subash Chandran, M.D. and Ramachandra, T.V. (2014). Biodiversity and ecological assessment of Indian sacred groves. Journal of Forestry Research, 25, 21-28.
Vanak AT, Karanth KK, Hedges S, Di Minin, E, Slotow R, Thaker M, Shanker K., Rai N, Tyson MJ, Krishnaswamy J, Ramakrishanan U, Karanth KU. (2014). Potholes in the global-road map? Response to Laurance et al. Nature online commentary. http://www.nature.com/nature/journal/v513/n7517/full/nature13717.html.
Tewari, V.P., Sukumar, R., Rajesh Kumar, Gadow, K.V. (2014). Forest observational studies in India: Past developments and considerations for the future. Forest Ecology and Management, 316, 32–46. https://doi.org/10.1016/j.foreco.2013.06.050
THEME IV: Climate Change
Murthy, I.K., Bhat, S., Satyanarayan, V., Patgar, S., Beerappa, M., Bhat, P.R., Bhat, D.M., Gopalakrishnan, R., Jayaraman, M., Munsi, M., Ravindranath, N.H., Khalid, M.A., Prashant, M., Iyer, S. and Saxena, R. (2014). Implications of impacts of climate change on forest product flows and forest dependent communities in the Western Ghats, India. Journal of Forest and Environmental Science, 30, 189-200. DOI: 10.7747/JFS.2014.30.2.189
THEME V: Conservation Outreach, Training and Education
Gadagkar, R. (2014). Role of Science, Technology and Innovation in Ensuring Sustainable Inclusive Development Proc. Indian Natn. Sci. Acad., 80, 181-183.